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-rw-r--r--drivers/accel/ivpu/ivpu_hw.h179
1 files changed, 179 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_hw.h b/drivers/accel/ivpu/ivpu_hw.h
new file mode 100644
index 0000000000..1079e06255
--- /dev/null
+++ b/drivers/accel/ivpu/ivpu_hw.h
@@ -0,0 +1,179 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020-2023 Intel Corporation
+ */
+
+#ifndef __IVPU_HW_H__
+#define __IVPU_HW_H__
+
+#include "ivpu_drv.h"
+
+struct ivpu_hw_ops {
+ int (*info_init)(struct ivpu_device *vdev);
+ int (*power_up)(struct ivpu_device *vdev);
+ int (*boot_fw)(struct ivpu_device *vdev);
+ int (*power_down)(struct ivpu_device *vdev);
+ int (*reset)(struct ivpu_device *vdev);
+ bool (*is_idle)(struct ivpu_device *vdev);
+ void (*wdt_disable)(struct ivpu_device *vdev);
+ void (*diagnose_failure)(struct ivpu_device *vdev);
+ u32 (*reg_pll_freq_get)(struct ivpu_device *vdev);
+ u32 (*reg_telemetry_offset_get)(struct ivpu_device *vdev);
+ u32 (*reg_telemetry_size_get)(struct ivpu_device *vdev);
+ u32 (*reg_telemetry_enable_get)(struct ivpu_device *vdev);
+ void (*reg_db_set)(struct ivpu_device *vdev, u32 db_id);
+ u32 (*reg_ipc_rx_addr_get)(struct ivpu_device *vdev);
+ u32 (*reg_ipc_rx_count_get)(struct ivpu_device *vdev);
+ void (*reg_ipc_tx_set)(struct ivpu_device *vdev, u32 vpu_addr);
+ void (*irq_clear)(struct ivpu_device *vdev);
+ void (*irq_enable)(struct ivpu_device *vdev);
+ void (*irq_disable)(struct ivpu_device *vdev);
+ irqreturn_t (*irq_handler)(int irq, void *ptr);
+};
+
+struct ivpu_addr_range {
+ resource_size_t start;
+ resource_size_t end;
+};
+
+struct ivpu_hw_info {
+ const struct ivpu_hw_ops *ops;
+ struct {
+ struct ivpu_addr_range global;
+ struct ivpu_addr_range user;
+ struct ivpu_addr_range shave;
+ struct ivpu_addr_range dma;
+ } ranges;
+ struct {
+ u8 min_ratio;
+ u8 max_ratio;
+ /*
+ * Pll ratio for the efficiency frequency. The VPU has optimum
+ * performance to power ratio at this frequency.
+ */
+ u8 pn_ratio;
+ u32 profiling_freq;
+ } pll;
+ u32 tile_fuse;
+ u32 sku;
+ u16 config;
+ int dma_bits;
+};
+
+extern const struct ivpu_hw_ops ivpu_hw_37xx_ops;
+extern const struct ivpu_hw_ops ivpu_hw_40xx_ops;
+
+static inline int ivpu_hw_info_init(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->info_init(vdev);
+};
+
+static inline int ivpu_hw_power_up(struct ivpu_device *vdev)
+{
+ ivpu_dbg(vdev, PM, "HW power up\n");
+
+ return vdev->hw->ops->power_up(vdev);
+};
+
+static inline int ivpu_hw_boot_fw(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->boot_fw(vdev);
+};
+
+static inline bool ivpu_hw_is_idle(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->is_idle(vdev);
+};
+
+static inline int ivpu_hw_power_down(struct ivpu_device *vdev)
+{
+ ivpu_dbg(vdev, PM, "HW power down\n");
+
+ return vdev->hw->ops->power_down(vdev);
+};
+
+static inline int ivpu_hw_reset(struct ivpu_device *vdev)
+{
+ ivpu_dbg(vdev, PM, "HW reset\n");
+
+ return vdev->hw->ops->reset(vdev);
+};
+
+static inline void ivpu_hw_wdt_disable(struct ivpu_device *vdev)
+{
+ vdev->hw->ops->wdt_disable(vdev);
+};
+
+/* Register indirect accesses */
+static inline u32 ivpu_hw_reg_pll_freq_get(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->reg_pll_freq_get(vdev);
+};
+
+static inline u32 ivpu_hw_reg_telemetry_offset_get(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->reg_telemetry_offset_get(vdev);
+};
+
+static inline u32 ivpu_hw_reg_telemetry_size_get(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->reg_telemetry_size_get(vdev);
+};
+
+static inline u32 ivpu_hw_reg_telemetry_enable_get(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->reg_telemetry_enable_get(vdev);
+};
+
+static inline void ivpu_hw_reg_db_set(struct ivpu_device *vdev, u32 db_id)
+{
+ vdev->hw->ops->reg_db_set(vdev, db_id);
+};
+
+static inline u32 ivpu_hw_reg_ipc_rx_addr_get(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->reg_ipc_rx_addr_get(vdev);
+};
+
+static inline u32 ivpu_hw_reg_ipc_rx_count_get(struct ivpu_device *vdev)
+{
+ return vdev->hw->ops->reg_ipc_rx_count_get(vdev);
+};
+
+static inline void ivpu_hw_reg_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr)
+{
+ vdev->hw->ops->reg_ipc_tx_set(vdev, vpu_addr);
+};
+
+static inline void ivpu_hw_irq_clear(struct ivpu_device *vdev)
+{
+ vdev->hw->ops->irq_clear(vdev);
+};
+
+static inline void ivpu_hw_irq_enable(struct ivpu_device *vdev)
+{
+ vdev->hw->ops->irq_enable(vdev);
+};
+
+static inline void ivpu_hw_irq_disable(struct ivpu_device *vdev)
+{
+ vdev->hw->ops->irq_disable(vdev);
+};
+
+static inline void ivpu_hw_init_range(struct ivpu_addr_range *range, u64 start, u64 size)
+{
+ range->start = start;
+ range->end = start + size;
+}
+
+static inline u64 ivpu_hw_range_size(const struct ivpu_addr_range *range)
+{
+ return range->end - range->start;
+}
+
+static inline void ivpu_hw_diagnose_failure(struct ivpu_device *vdev)
+{
+ vdev->hw->ops->diagnose_failure(vdev);
+}
+
+#endif /* __IVPU_HW_H__ */